AP1184 ANACHIP [Anachip Corp], AP1184 Datasheet - Page 2

• Manufacturer Part Number: AP1184
• Description: 4A Ultra Low Dropout Positive Adjustable or Fixed-mode Regulator
• Manufacturer: ANACHIP [Anachip Corp]

4A Ultra Low Dropout Positive Adjustable or Fixed-mode Regulator
Anachip Corp.
www.anachip.com.tw
Pin Numbers with standard type are for TO220-5L, TO263-5L packages, and those with boldface type are for SOP-7L
Vsense
(GND)
Block Diagram
Pin Configuration
Pin Descriptions
Name
Vctrl
Vout
Adj
Vin
NC
(AP1184K5)
FRONT VIEW
Tab is Vout
I/O
O
5
4
3
2
1
I
I
I
Vctrl
Vin
This pin is the positive side of the reference that allows remote load sensing to
achieve excellent load regulation. A minimum of 10uF capacitor must be connected
from this pin to ground to insure stability.
(GND only for fixed mode)
pin to ground to insure that the input voltage does not sag below the minimum
dropout voltage during the load transient response. This pin must always be higher
than Vout in order for the device to regulate.
the pass transistor. This pin must always by higher than the Vout pin in order the
device to regulate. A minimum of 100uF capacitor must be connected from this pin to
ground to insure stability.
this pin to ground to insure stability.
A resistor divider from this pin to the Vout pin and ground sets the output voltage.
The input of the regulator. Typically a large storage capacitor is connected from this
This pin is the supply pin for the internal control circuit as well as the base drive for
No connection
The output of the regulator. A minimum of 100uF capacitor must be connected from
Vin
Vctrl
Adj(GND)
Vout
Vsense
SHUTDOWN
THERMAL
Adj(GND)
CURRENT
Vsense
LIMIT
Vctrl
Vin
+
( AP1184S7 )
+
1
2
3
4
-
2/11
8
7
6
5
Description
NC
Vout
Vin
1.25V
+
+
(AP1184T5)
FRONT VIEW
Tab is Vout
Vsense
Vout
Adj
5
4
3
2
1
Rev.1.1 Sep 7, 2004
AP1184
Vin
Vctrl
Vout
Adj(GND)
Vsense